On Saturday 08 July 2017, Martin Flöser wrote: > Am 2017-07-07 15:54, schrieb Maximiliano Curia: > > ¡Hola Jonathan! > > > > El 2017-07-03 a las 17:26 +0100, Jonathan Riddell escribió: > >> KWin has received an update to the 5.10.3 release. 5.10.3.1 contains a > >> fix for https://bugs.kde.org/show_bug.cgi?id=381870 Freeze in > >> KWin::checkGLError on startup which affects machines with an NVidia > >> card. > > > >> The change is > >> https://commits.kde.org/kwin/aefb5f4dd9d41aa7377d56ece203089c73aefe07 > > > >> https://www.kde.org/info/plasma-5.10.3.php > > > >> kwin-5.10.3.1 4.4MB > >> 199e3a2593e9e66bbd6521ee8a25a012003d15f6b4bf2f102c70b798c9abd03a > > > > Is this fix backportable to the 5.8 branch? > > NO! The fix is for a regression introduced with 5.10.3. > > If there are changes which can be backported we will do. Please do not > cherry pick changes, that makes it impossible for us to ensure the > quality or investigate bugs.
Technically it is not a regression. It is just more likely to happen in 5.10.3, but it affects all versions of KWin. KWin can also crash when a graphics reset has occurred, since it assumes that glMapBufferRange() never returns NULL, and that is not the case when the context has been lost. Fredrik
